18348986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1669}}^1$

素因数の和:1933

約数の個数: 16

約数和(自身を含む): 28857600

約数和(自身を除く): 10508614

約数列:

[1, 2, 23, 46, 239, 478, 1669, 3338, 5497, 10994, 38387, 76774, 398891, 797782, 9174493, 18348986]

約数ペア:

[(1, 18348986), (2, 9174493), (23, 797782), (46, 398891), (239, 76774), (478, 38387), (1669, 10994), (3338, 5497)]